InChI=1/C17H16N4O/c22-17(14-11-19-21-10-4-9-18-16(14)21)20-15-8-3-6-12-5-1-2-7-13(12)15/h1-2,4-5,7,9-11,15H,3,6,8H2,(H,20,22)/t15-/m1/s1/f/h20H 0BB39A43718D8FBB